* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html,
body,
#app {
  width: 100%;
  height: 100%;
  background: rgb(214, 213, 213);
  overflow: hidden;
}
#app{
  min-width: 1366px;
}
ul {
  list-style: none;
}
a {
  text-decoration: none;
  color: #000;
}

.fl {
  float: left;
}
.fr {
  float: right;
}
.banxin {
  width: 1300px;
  margin: 0 auto;
}
